Hereke Tunnel

The Hereke Tunnel (Turkish: Hereke Tüneli), is a motorway tunnel constructed on the Istanbul–Ankara motorway O-4 E80 in Kocaeli Province, northwestern Turkey. It was opened to traffic in 1984.

Hereke Tunnel
Hereke Tüneli

Hereke Tunnel westbound O-4.
Overview
Location	Hereke, İzmit, Kocaeli, Turkey
Coordinates	40°47′06″N 29°36′33″E Hereke Tunnel Location of Hereke Tunnel in Turkey
Status	Operational
Route	O-4 E80
Operation
Opened	1984 (1984)
Operator	General Directorate of Highways
Traffic	automotive
Vehicles per day	ca. 55,000
Technical
Length	281–285 m (922–935 ft)
No. of lanes	2 x 3
Operating speed	80 km/h (50 mph)

It is situated in Körfez district of Kocaeli Province. The 281–285-metre (922–935 ft) long twin-tube tunnel carries three lanes of traffic in each direction.

The tunnel was constructed in the 1980s. During the 1999 İzmit earthquake, the tunnel was light damaged.[1] In 2012, the tunnel's both tubes were reinforced.[2] In the time period of 2013–2014, the tunnel was modernized for traffic safety. Around 55,000 vehicles pass through the tunnel in both directions daily.[1]

See also

• List of motorway tunnels in Turkey

References

1. "Gültepe ve Korutepe Tünelleri yenileniyor". Çağdaş Kocaeli (in Turkish). 2013-12-25. Retrieved 2016-08-13.
2. "Karayollarında yol yapımı ve onarım devam ediyor". Haber7.com (in Turkish). 2012-05-15. Retrieved 2016-08-13.

External links

• Map of road tunnels in Turkey at General Directorate of Highways (Turkey) (KGM)